Home / 327,130.91-451,373.86-191,138.58

Finding the Fourth Proportional to 327,130.91, 451,373.86 and 191,138.58

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Solution

The fourth proportional to 327,130.91, 451,373.86 and 191,138.58 is: 263,732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,130.91 : 451,373.86 = 191,138.58 : x
  2. Step 2: Convert to fraction form
    327,130.91/451,373.86 = 191,138.58/x
  3. Step 3: Cross multiply
    327,130.91x = 451,373.86 × 191,138.58
  4. Step 4: Simplify right side
    327,130.91x = 86,274,958,649.52
  5. Step 5: Solve for x
    x = 86,274,958,649.52/327,130.91
  6. Step 6: Final answer
    x = 263,732.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.